Nateycorn8120 Nateycorn8120

10-01-2024
Mathematics

contestada

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is ?
A. none of these
B. 54.68
C. 55
D. 53.33

Respuesta :

Otras preguntas

When did the first member of the genus Homo evolve?

which of the following is a human trait?a. eye colorb. height c. hair texture d. all of the adove

What is the slope of (6,-12), (15,-3)

Why did the early people need to find new food sources

Is 5x+2=5x+2 answer many solutionsdose 5x+2=2x+5 answer one solutionis 5x=5x+2 equal no solutin

Which immigrant groups adapted especially well economically? Which groups lagged? Why?

What is the answer to: -45=x+(-3)+50

Which are acceptable reasons for studying history? Choose all answers that are correct.a. It teaches us to accept religious doctrines.b. It provides instruct

which of the following events is a part of the light reaction of photosynthesis ? a - production of carbohydrates b - splitting up of the water molecules c -

how do you say "the golden one" in spanish